6842089 has 4 divisors (see below), whose sum is σ = 6912724. Its totient is φ = 6771456.

The previous prime is 6842083. The next prime is 6842093. The reversal of 6842089 is 9802486.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9802486 = 2 ⋅4901243.

It can be written as a sum of positive squares in 2 ways, for example, as 5107600 + 1734489 = 2260^2 + 1317^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842089 - 2³ = 6842081 is a prime.

It is an Ulam number.

It is a Duffinian number.

6842089 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6842081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35172 + ... + 35365.

It is an arithmetic number, because the mean of its divisors is an integer number (1728181).

Almost surely, 2^6842089 is an apocalyptic number.

It is an amenable number.

6842089 is a deficient number, since it is larger than the sum of its proper divisors (70635).

6842089 is an equidigital number, since it uses as much as digits as its factorization.

6842089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70634.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 6842089 is about 2615.7387101926. The cubic root of 6842089 is about 189.8437219095.

The spelling of 6842089 in words is "six million, eight hundred forty-two thousand, eighty-nine".